Guy's and St Thomas' NHS Foundation Trust

Treatment Planning Dosimetrist

The closing date is 28 January 2026

Job summary

The Radiotherapy Physics & Engineering Section is responsible for providing a clinical scientific service to the Radiotherapy Department of Guy's Cancer Centre. Functions of the section include: carrying out patient radiotherapy treatment planning and checking; advising other clinical staff on the physics of radiotherapy; measuring patient received doses and radiotherapy treatment equipment output; ensuring the safety of patients and staff in a hazardous environment which includes exposure to high levels of ionising radiation; ensuring equipment is operating safely and effectively, and investigating complex faults; the evaluation, selection, procurement, installation and acceptance testing of equipment; and supporting research and clinical trials.

Working closely with Clinical Oncology and Radiotherapy, physicists, dosimetrists and technicians provide a wide range of services.

The main roles of the post are to carry out treatment planning and checking and to assist in the mould room, as part of a team in the Treatment Planning service.

The post holder will be responsible on a day to day basis to the Lead Treatment Planning Dosimetrists.

Main duties of the job

Please see the Job Description and Person Specification for detailed information regarding the responsibilities and requirements for this post.

About us

Guy's and St Thomas' NHS Trust (GSTT) has embarked upon a comprehensive cancer strategy that will shape the future of services for the next generation of cancer patients. We strive to become a world class cancer service, delivering internationally distinctive services that are patient centred, research driven and clinically led. The cancer centres at GSTT and Queen Mary's Hospital, Sidcup (QMH) have been created so that we can realise this vision.

The Department of Medical Physics and Clinical Engineering at Guys & St. Thomas' provides a comprehensive range of scientific and technical services to the Trust and external organisations. Its large Radiotherapy Physics and Engineering section works closely with the Radiotherapy Department to deliver high quality patient care on state of the art equipment.

Details

Date posted

15 January 2026

Pay scheme

Agenda for change

Band

Band 6

Salary

£46,419 to £55,046 a year p.a inc. HCA (pro rata)

Contract

Permanent

Working pattern

Full-time

Reference number

196-LIS10207E

Job locations

Guy's Cancer Centre, Guy’s Hospital

Great Maze Pond

London

SE1 9RT


Job description

Job responsibilities

Please see the Job Description and Person Specification for detailed information regarding the responsibilities and requirements for this post.

Job description

Job responsibilities

Please see the Job Description and Person Specification for detailed information regarding the responsibilities and requirements for this post.

Person Specification

Experience

Essential

  • Broad knowledge and experience across the range of working procedures and practices in radiotherapy
  • Basic knowledge of treatment planning
  • General awareness of computerised treatment planning systems

Desirable

  • Experience of routine working in treatment planning
  • Experience of routine working in the mould room

Skills & Knowledge

Essential

  • Good understanding of patient and staff risks arising from radiotherapy planning and treatment
  • Able to communicate complex information across professional boundaries
  • Able to prioritise and manage own work

Qualifications

Essential

  • Honours degree in relevant subject or evidence of equivalent knowledge
  • State registration as a Therapeutic Radiographer, or Register of Clinical Technologists

Additional Information

Essential

  • Able to concentrate on occasion for prolonged periods
  • Able to deal with occasional distressing circumstances
Person Specification

Experience

Essential

  • Broad knowledge and experience across the range of working procedures and practices in radiotherapy
  • Basic knowledge of treatment planning
  • General awareness of computerised treatment planning systems

Desirable

  • Experience of routine working in treatment planning
  • Experience of routine working in the mould room

Skills & Knowledge

Essential

  • Good understanding of patient and staff risks arising from radiotherapy planning and treatment
  • Able to communicate complex information across professional boundaries
  • Able to prioritise and manage own work

Qualifications

Essential

  • Honours degree in relevant subject or evidence of equivalent knowledge
  • State registration as a Therapeutic Radiographer, or Register of Clinical Technologists

Additional Information

Essential

  • Able to concentrate on occasion for prolonged periods
  • Able to deal with occasional distressing circumstances

Disclosure and Barring Service Check

This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will be necessary for a submission for Disclosure to be made to the Disclosure and Barring Service (formerly known as CRB) to check for any previous criminal convictions.

Certificate of Sponsorship

Applications from job seekers who require current Skilled worker sponsorship to work in the UK are welcome and will be considered alongside all other applications. For further information visit the UK Visas and Immigration website (Opens in a new tab).

From 6 April 2017, skilled worker applicants, applying for entry clearance into the UK, have had to present a criminal record certificate from each country they have resided continuously or cumulatively for 12 months or more in the past 10 years. Adult dependants (over 18 years old) are also subject to this requirement. Guidance can be found here Criminal records checks for overseas applicants (Opens in a new tab).

UK Registration

Applicants must have current UK professional registration. For further information please see NHS Careers website (opens in a new window).

Additional information

Disclosure and Barring Service Check

This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will be necessary for a submission for Disclosure to be made to the Disclosure and Barring Service (formerly known as CRB) to check for any previous criminal convictions.

Certificate of Sponsorship

Applications from job seekers who require current Skilled worker sponsorship to work in the UK are welcome and will be considered alongside all other applications. For further information visit the UK Visas and Immigration website (Opens in a new tab).

From 6 April 2017, skilled worker applicants, applying for entry clearance into the UK, have had to present a criminal record certificate from each country they have resided continuously or cumulatively for 12 months or more in the past 10 years. Adult dependants (over 18 years old) are also subject to this requirement. Guidance can be found here Criminal records checks for overseas applicants (Opens in a new tab).

UK Registration

Applicants must have current UK professional registration. For further information please see NHS Careers website (opens in a new window).

Employer details

Employer name

Guy's and St Thomas' NHS Foundation Trust

Address

Guy's Cancer Centre, Guy’s Hospital

Great Maze Pond

London

SE1 9RT


Employer's website

https://www.guysandstthomas.nhs.uk/careers/careers.aspx (Opens in a new tab)


Employer details

Employer name

Guy's and St Thomas' NHS Foundation Trust

Address

Guy's Cancer Centre, Guy’s Hospital

Great Maze Pond

London

SE1 9RT


Employer's website

https://www.guysandstthomas.nhs.uk/careers/careers.aspx (Opens in a new tab)


Employer contact details

For questions about the job, contact:

Head of Treatment Planning

Sarah Aldridge

s.aldridge@nhs.net

02071887188

Details

Date posted

15 January 2026

Pay scheme

Agenda for change

Band

Band 6

Salary

£46,419 to £55,046 a year p.a inc. HCA (pro rata)

Contract

Permanent

Working pattern

Full-time

Reference number

196-LIS10207E

Job locations

Guy's Cancer Centre, Guy’s Hospital

Great Maze Pond

London

SE1 9RT


Supporting documents

Privacy notice

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